[chromium] Explicitly destroy the WebMediaPlayer in WebMediaPlayerClientImpl's destructor
https://bugs.webkit.org/show_bug.cgi?id=108989

Patch by David Dorwin <ddorwin@chromium.org> on 2013-02-05
Reviewed by Kent Tamura.

* src/WebMediaPlayerClientImpl.cpp:
(WebKit::WebMediaPlayerClientImpl::~WebMediaPlayerClientImpl):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@141954 268f45cc-cd09-0410-ab3c-d52691b4dbfc